Power bar



FIG. 1 is a top, front, right perspective view of a power bar showing my new design;

FIG. 2 is a top plan thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a back elevation thereof;

FIG. 6 is a right side elevation thereof; and,

FIG. 7 is a left side elevation thereof. 

The ornamental design for power bar, as shown and described. 